nautilus noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of nautilus noun from the Oxford Advanced American Dictionary

nautilus

noun

NAmE//ˈnɔt̮l̩əs//

(pl. nautiluses, nautili

NAmE//ˈnɔt̮l̩aɪ//

)

a creature with a shell that lives in the ocean. It has tentacles around its mouth and its shell fills with gas to help it float.

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